package cn.acewill.yxd.yunxundian.pubClass;

import android.annotation.SuppressLint;
import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;

/**
 * Created by he on 2017/5/20.
 */

public class PictureHelper {
    // get the absolute path from the uri

    @SuppressLint("NewApi")

    public static String getPath(final Context context, final Uri uri) {

        final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;

        // DocumentProvider

        if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {

            // ExternalStorageProvider

            if (isExternalStorageDocument(uri)) {

                final String docId = DocumentsContract.getDocumentId(uri);

                final String[] split = docId.split(":");

                final String type = split[0];

                if ("primary".equalsIgnoreCase(type)) {

                    return Environment.getExternalStorageDirectory() + "/"

                            + split[1];

                }

                // TODO handle non-primary volumes

            }

            // DownloadsProvider

            else if (isDownloadsDocument(uri)) {

                final String id = DocumentsContract.getDocumentId(uri);

                final Uri contentUri = ContentUris.withAppendedId(

                        Uri.parse("content://downloads/public_downloads"),

                        Long.valueOf(id));

                return getDataColumn(context, contentUri, null, null);

            }

            // MediaProvider

            else if (isMediaDocument(uri)) {

                final String docId = DocumentsContract.getDocumentId(uri);

                final String[] split = docId.split(":");

                final String type = split[0];

                Uri contentUri = null;

                if ("image".equals(type)) {

                    contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;

                } else if ("video".equals(type)) {

                    contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;

                } else if ("audio".equals(type)) {

                    contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;

                }

                final String selection = "_id=?";

                final String[] selectionArgs = new String[] { split[1] };

                return getDataColumn(context, contentUri, selection,

                        selectionArgs);

            }

        }

        // MediaStore (and general)

        else if ("content".equalsIgnoreCase(uri.getScheme())) {

            // Return the remote address

            if (isGooglePhotosUri(uri))

                return uri.getLastPathSegment();

            return getDataColumn(context, uri, null, null);

        }

        // File

        else if ("file".equalsIgnoreCase(uri.getScheme())) {

            return uri.getPath();

        }

        return null;

    }





    public static String getDataColumn(Context context, Uri uri,

                                       String selection, String[] selectionArgs) {

        Cursor cursor = null;

        final String column = "_data";

        final String[] projection = { column };

        try {

            cursor = context.getContentResolver().query(uri, projection,

                    selection, selectionArgs, null);

            if (cursor != null && cursor.moveToFirst()) {

                final int index = cursor.getColumnIndexOrThrow(column);

                return cursor.getString(index);

            }

        } finally {

            if (cursor != null)

                cursor.close();

        }

        return null;

    }





    public static boolean isExternalStorageDocument(Uri uri) {

        return "com.android.externalstorage.documents".equals(uri

                .getAuthority());

    }





    public static boolean isDownloadsDocument(Uri uri) {

        return "com.android.providers.downloads.documents".equals(uri

                .getAuthority());

    }





    public static boolean isMediaDocument(Uri uri) {

        return "com.android.providers.media.documents".equals(uri

                .getAuthority());

    }





    private static boolean isGooglePhotosUri(Uri uri) {

        return "com.google.android.apps.photos.content".equals(uri

                .getAuthority());

    }

}
